Research Papers

Sol-gel deposited aluminum-doped and gallium-doped zinc oxide thin-film transparent conductive electrodes with a protective coating of reduced graphene oxide

[+] Author Affiliations
Zhaozhao Zhu, Trent Mankowski, Kaushik Balakrishnan, Masud Mansuripur, Charles M. Falco

University of Arizona, College of Optical Sciences, 1630 East University Boulevard, Tucson, Arizona 85721, United States

Ali Sehpar Shikoh, Farid Touati, Mohieddine A. Benammar

Qatar University, Department of Electrical Engineering, College of Engineering, P. O. Box 2713, Doha, Qatar

J. Nanophoton. 10(2), 026001 (Apr 01, 2016). doi:10.1117/1.JNP.10.026001
History: Received January 14, 2016; Accepted March 14, 2016
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Abstract.  Using a traditional sol-gel deposition technique, we successfully fabricated aluminum-doped zinc oxide (AZO) and gallium-doped zinc oxide (GZO) thin films on glass substrates. Employing a plasma treatment method as the postannealing process, we produced thin-film transparent conductive electrodes exhibiting excellent optical and electrical properties, with transmittance greater than 90% across the entire visible spectrum and the near-infrared range, as well as good sheet resistance under 200  Ω/sq. More importantly, to improve the resilience of our fabricated thin-film samples at elevated temperatures and in humid environments, we deposited a layer of reduced graphene oxide (rGO) as protective overcoating. The stability of our composite AZO/rGO and GZO/rGO samples improved substantially compared to that of their counterparts with no rGO coating.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Zhaozhao Zhu ; Trent Mankowski ; Kaushik Balakrishnan ; Ali Sehpar Shikoh ; Farid Touati, et al.
"Sol-gel deposited aluminum-doped and gallium-doped zinc oxide thin-film transparent conductive electrodes with a protective coating of reduced graphene oxide", J. Nanophoton. 10(2), 026001 (Apr 01, 2016). ; http://dx.doi.org/10.1117/1.JNP.10.026001


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